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been hung up, then zookeeper and controller need to leader the 1000 divisions immediately. This is bound to take longer, and is often not linearly cumulative, compared to a small number of zoning leader elections. It would be even worse if the broker was controller at the same time. With so many "nonsense", many people must have been impatient. How do you determine the number of partitions in the final analysis? The answer is: depending on the situation. Basically you still need to go through a

Apache Kafka Learning (i): Kafka Fundamentals 1, what is Kafka. Kafka is a messaging system that uses Scala, originally developed from LinkedIn, as the basis for LinkedIn's active stream (activity stream) and operational data processing pipeline (Pipeline). It has now been used by several different types of companies as multiple types of data pipelines and messaging systems. Kafka is a distributed, publish/subscribe messaging system. Kafka uses zoo

Today's 30-day study of 30 new technologies, I decided to learn how to write a Chrome extender. After doing some searching, I found that a yeoman generator could be used to write the Chrome extender. The extension we're going to write is a plugin that can be used to screen out Facebook, Twitter, LinkedIn, and so on during working hours. This article will not talk about the basics of yeoman, you can read the 24th day of content to understand yeoman.Chr

This course focuses on the practice and application of deep learning, mainly for beginners, designed for machine learning, but the advanced researchers in this field can also provide a more complete summary and understanding of depth learning and their applications through this course. If you are interested in this course, the following points may be useful:1. Register an account on the website to ensure that you can follow up on the latest courses. Courses are free and open to the public. If yo

Launch Board" (Launchpad). The feature of Springboard navigation is that the menu option in the login interface is the starting point to enter each application. Facebook apps Use the springboard design on the iOS main interface, and other apps follow suit. Facebook's springboard navigation and Ovi Maps apps Navigation design for Trulia and LinkedIn The newsroom on the Palm phone and Yahoo! On the Nokia phone! Personalized Springboard naviga

block out private information settings. Details are only visible to users when they log on. This approach allows new users to view other users and avoid leaking large amounts of user information. Audience questions: In theory, if News Corp buys Facebook, LinkedIn and MySpace, how can three social networking sites be integrated? Tie: This will never happen (laughter from the audience). Q: When can Facebook support open formats such as micro-format (mi

statement. But it's different from point-to-point, and in most cases the benefits of registering are still reflected in the form. 41% of the form tells the user the benefits of registration (MySpace, Del.icio.us, Last.fm, LinkedIn, Digg, Mister Wong, Break.com) 28% is just a simple registration page, without any additional information (Pownce, Deviantart, Dailymotion) 11% tell the user how long it will take to fill out. (Threadl

I'm not sure about your situation, but I'm easily distracted. I check my email, check my Facebook, and check my LinkedIn. We live in a world where information can be pushed to us through a variety of channels. I think it's a great thing-but it sometimes leads to inefficiency. Here are 4 things that can help you become a more efficient tester. Don't do multiple tasks at the same time You may be the best person in the world who is good at multitasking.

from some individual recruiting websites. Even if there are technical difficulties, you can also write a description of the file to tell some of their own site to provide job information to the recruitment site. Since there are more than 1000 similar websites in China, they must also want to expand their exposure. At this point, I see the simplyhired feed page approach is worth learning. Other similar websites in China have no bright spots in this area. Recommendation three: Site positioning. T

content, and spam, and preventing money losses from unreliable online vendors, phishing scams, and identity fraud, which are easy to use and free of charge CSS Reloader CSS Reloader is an extension of the browser that allows you to reload the CSS without reloading the page itself. Wunderlist Wunderlist is a cloud mission management tool that supports the iphone, IPad, Android, Windows, Mac OS X, and web ease of sync. Realize the real sense of cross-platform operation. Practicality,

many times in an article so that we can get a bit of media exposure through these efforts; (2) We have two links to the homepage and include a deep page in our website and related anchor text; (3) There are stories of viral spread in social media networks such as Twitter,facebook,linkedin; (4) Create a 10% uplift in our overall steady flow from search engine optimization. These seemingly impossible tasks are clearly targeted, and we realize that

based on Google's V8 JavaScript interpretation engine (it is responsible for executing the client's JavaScript code in the Chrome browser). Unlike other languages, Node.js has built-in library of functions to handle network requests and responses, so you don't need a separate server (Apache, ngix) or other dependencies. Node.js, though very new, soon gained great popularity. In many large companies are in use, such as: Microsoft,yahoo,linkedin and Pa

engine optimization and social network marketing have become increasingly inseparable, but in 2012, I believe we will see the dim exit of the SEO that ignores social networking, like SEO without a chain deployment for 1999-2000 years. Not only is the search engine ranking algorithm to refer to social network factors, social networking has become the Internet users to share and explore new things the dominant means. The role of the chain can be played over the next few years, but the social netw

updates, as well as access to cloud services such as Skype and additional skydrive storage space. Users can install multiple times for all members of the home and their various devices. The social nature of Office: --yammer. Yammer can deliver a secure, private social network for the enterprise. Users can register for free and start using the social networking service immediately. Yammer can be integrated with SharePoint and Microsoft Dynamics. --Keep in touch. Users can focus on other users

From Pandas to Apache Spark ' s DataFrameAugust by Olivier Girardot Share article on Twitter Share article on LinkedIn Share article on Facebook This was a cross-post from the blog of Olivier Girardot. Olivier is a software engineer and the co-founder of Lateral Thoughts, where he works on machine learning, Big Data, and D Evops Solutions. With the introduction in Spark 1.4 of Windows operations, you can finally port pretty much any relevant piece of

1. Background information Many of the company's platforms generate a large number of logs per day (typically streaming data, such as search engine PV, queries, etc.), and processing these logs requires a specific logging system, in general, these systems need to have the following characteristics: (1) Construct the bridge of application system and analysis system, and decouple the correlation between them; (2) Support near real-time online analysis system and similar to the offline analysis sys

Strom 3. Provides a number of new features We are interested to play, project address Https://github.com/alibaba/jstorm The third one is Samza. Samza is a technology that is open source for LinkedIn, an open source distributed streaming system, very similar to storm. The difference is that it runs on top of Hadoop and uses its own Kafka distributed message processing system. This is a small and beautiful project developed by Linkin, how beautiful it

"Lead" Blogger Don in his "WEB2.0 concept interpretation," the article mentions that "Web2.0 is Flickr, Craigslist, Linkedin, Tribes, Ryze, Friendster, Del.icio.us, 43things.com and other websites as the representative, to blog, TAG, SNS, RSS, wiki and other social software applications as the core, according to six-degree separation, XML, Ajax and other new theories and technologies to achieve the Internet next Generation model. ”Facing so many new t

1. Background information Many of the company's platforms generate a large number of logs per day (typically streaming data, such as search engine PV, queries, etc.), and processing these logs requires a specific logging system, in general, these systems need to have the following characteristics: (1) Construct the bridge of application system and analysis system, and decouple the correlation between them; (2) Support near real-time online analysis system and similar to the offline analysis syst

source k-v storage), Kafka (Apache project, distributed publish-Subscribe message system from LinkedIn), Finagle (by Twitter's open source fault-tolerant, protocol-neutral RPC system), there is also an interesting cell-based architecture to support dashboard (csdn Note: Tumblr's distinctive user interface, similar to the micro-blogging timeline). Tumblr's biggest problem now is how to transform it into a massive web site. The system architecture is e